* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    background-color: #f0f0f0;
}

header {
    background-color: #4c97ff;
    color: white;
    padding: 1rem;
    text-align: center;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    margin-top: 1rem;
}

nav ul li {
    margin: 0 1rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    transition: background-color 0.3s;
}

nav ul li a:hover,
nav ul li a.active {
    background-color: #3373cc;
}

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: white;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.project-card:hover {
    transform: translateY(-5px);
}

.project-preview {
    position: relative;
    padding-top: 75%;
}

.project-preview iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.project-info {
    padding: 1rem;
}

.project-info h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.author {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.description {
    color: #444;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.stats {
    display: flex;
    gap: 1rem;
    color: #666;
    font-size: 0.9rem;
}

footer {
    text-align: center;
    padding: 1rem;
    background-color: #333;
    color: white;
    margin-top: 2rem;
}